export function  getUUID() {
    return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
        var r = Math.random()*16|0, v = c == 'x' ? r : (r&0x3|0x8);
        return v.toString(16);
    });
}

// export function getUUID() {
// 	var s = [];
// 	var hexDigits = "0123456789abcdef";
// 	for (var i = 0; i < 36; i++) {
// 		s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1);
// 	}
// 	s[14] = "4"; // bits 12-15 of the time_hi_and_version field to 0010
// 	s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1); // bits 6-7 of the clock_seq_hi_and_reserved to 01
// 	s[8] = s[13] = s[18] = s[23] = "-";
	
// 	var uuid = s.join("");
// 	return uuid;
// }